Function of Operating System

Ø Device Management (Input/ Output)

Ø Memory Management

Ø Runs Software

Ø File Management

Ø Security

Examples of Operating System:

 Windows XP, Windows7,8,10, UNIX, LINUX

What is Operating System

Operating system (OS) is the most important program that runs on a computer. Every general-purpose computer must have an operating system to run other programs and applications. Computer operating systems perform basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as printers. 

What is System Software

System software is a type of computer program that is designed to run a computer's hardware and application programs. If we think of the computer system as a layered model, the system software is the interface between the hardware and user applications.

System Software is of two main types:

Operating System

Utility Programs

What is Software?

Software is the collection of programs that are stored and run on a computer hardware and help users to work on the computer. 

Smudge Effect Tool in Tux Paint

Smudge effect tool mix two different objects or pictures smoothly. This tool is available in magic tool.

Real Rainbow Effect Tool in Tux Paint

Real Rainbow Effect allows you to draw a rainbow that we see in the sky after a rainbow. These tools are also available in magic tool.

Rainbow Effect Tool in Tux Paint

Rainbow Effect is used to draw a trail of rainbow colours.

Drip Magic Tool in TUX PAINT

This tool is available in magic tool. The ink/ colours will scatter and drip away like water. Similarly, this magic sub-tool gives a dripping effect to drawing.

Grass Effect Tool in Tux Paint

Grass Effect Tool is used to draw neat and tidy grass on any of the picture. This tool is also available in magic tool.

New Tool in Tux Paint

New Tool is used to open a new file from the toolbox.

Eraser Tool in Tux Paint

Eraser tool is used to erase unwanted area of the picture.

We can rotate the picture up to 360 Degree.

We can rotate the picture up to 360 Degree.

Shape Tool in Tux Paint

This is one of the tools that enables you to draw different polygons or shapes that can be filled or unfilled

Features of Tux Paint

 Features of Tux Paint

v  Tux Paint is a free software

v  Drawing with Tux Paint's Paint tool.

v  A drawing made with a variety of Magic Tools.

v  A space scene using Tux Paint Rubber Stamps.

Who is the developer and designer of Tux Paint ?

The Developer and designer of Tux Paint is Bill Kendrick. It can be downloaded from

System requirements for windows7

System requirements

Minimum hardware requirements for Windows 7
Component	Operating system architecture
	32-bit	64-bit
Processor	1 GHz IA-32 processor	1 GHz x86-64 processor
Memory (RAM)	1 GB	2 GB
Graphics card	DirectX 9 graphics processor with WDDM driver model 1.0
Free hard drive space	16 GB	20 GB
Optical drive	DVD-ROM drive (Only to install from DVD-ROM media)

What is Windows7 ?

Windows 7 is a personal computer operating system developed by Microsoft. When the computer starts loading, you will see the screen shows Windows7 is loaded. Windows7 is an operating system that keeps the computer functional. Without it we cannot start a computer and work on it. The below screen shows the ready state of computer. 

Quit Tool

       Quit Tool

This Tool is used to come out from your Tux Paint.

Save Tool

      Save Tool

Once your drawing is created, you must save it for future use.

v To save your drawing, Click on the save tool.